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<div class="title">lcd.h</div>  </div>
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<a href="lcd_8h.html">Go to the documentation of this file.</a><div class="fragment"><div class="line"><a name="l00001"></a><span class="lineno">    1</span>&#160;<span class="comment">/*</span></div>
<div class="line"><a name="l00002"></a><span class="lineno">    2</span>&#160;<span class="comment"> * lcd.h:</span></div>
<div class="line"><a name="l00003"></a><span class="lineno">    3</span>&#160;<span class="comment"> *  Text-based LCD driver.</span></div>
<div class="line"><a name="l00004"></a><span class="lineno">    4</span>&#160;<span class="comment"> *  This is designed to drive the parallel interface LCD drivers</span></div>
<div class="line"><a name="l00005"></a><span class="lineno">    5</span>&#160;<span class="comment"> *  based in the Hitachi HD44780U controller and compatables.</span></div>
<div class="line"><a name="l00006"></a><span class="lineno">    6</span>&#160;<span class="comment"> *</span></div>
<div class="line"><a name="l00007"></a><span class="lineno">    7</span>&#160;<span class="comment"> * Copyright (c) 2012 Gordon Henderson.</span></div>
<div class="line"><a name="l00008"></a><span class="lineno">    8</span>&#160;<span class="comment"> ***********************************************************************</span></div>
<div class="line"><a name="l00009"></a><span class="lineno">    9</span>&#160;<span class="comment"> * This file is part of wiringPi:</span></div>
<div class="line"><a name="l00010"></a><span class="lineno">   10</span>&#160;<span class="comment"> *  https://projects.drogon.net/raspberry-pi/wiringpi/</span></div>
<div class="line"><a name="l00011"></a><span class="lineno">   11</span>&#160;<span class="comment"> *</span></div>
<div class="line"><a name="l00012"></a><span class="lineno">   12</span>&#160;<span class="comment"> *    wiringPi is free software: you can redistribute it and/or modify</span></div>
<div class="line"><a name="l00013"></a><span class="lineno">   13</span>&#160;<span class="comment"> *    it under the terms of the GNU Lesser General Public License as published by</span></div>
<div class="line"><a name="l00014"></a><span class="lineno">   14</span>&#160;<span class="comment"> *    the Free Software Foundation, either version 3 of the License, or</span></div>
<div class="line"><a name="l00015"></a><span class="lineno">   15</span>&#160;<span class="comment"> *    (at your option) any later version.</span></div>
<div class="line"><a name="l00016"></a><span class="lineno">   16</span>&#160;<span class="comment"> *</span></div>
<div class="line"><a name="l00017"></a><span class="lineno">   17</span>&#160;<span class="comment"> *    wiringPi is distributed in the hope that it will be useful,</span></div>
<div class="line"><a name="l00018"></a><span class="lineno">   18</span>&#160;<span class="comment"> *    but WITHOUT ANY WARRANTY; without even the implied warranty of</span></div>
<div class="line"><a name="l00019"></a><span class="lineno">   19</span>&#160;<span class="comment"> *    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the</span></div>
<div class="line"><a name="l00020"></a><span class="lineno">   20</span>&#160;<span class="comment"> *    GNU Lesser General Public License for more details.</span></div>
<div class="line"><a name="l00021"></a><span class="lineno">   21</span>&#160;<span class="comment"> *</span></div>
<div class="line"><a name="l00022"></a><span class="lineno">   22</span>&#160;<span class="comment"> *    You should have received a copy of the GNU Lesser General Public License</span></div>
<div class="line"><a name="l00023"></a><span class="lineno">   23</span>&#160;<span class="comment"> *    along with wiringPi.  If not, see &lt;http://www.gnu.org/licenses/&gt;.</span></div>
<div class="line"><a name="l00024"></a><span class="lineno">   24</span>&#160;<span class="comment"> ***********************************************************************</span></div>
<div class="line"><a name="l00025"></a><span class="lineno">   25</span>&#160;<span class="comment"> */</span></div>
<div class="line"><a name="l00026"></a><span class="lineno">   26</span>&#160;</div>
<div class="line"><a name="l00027"></a><span class="lineno"><a class="code" href="lcd_8h.html#a6bfe3f4a880b075a72d2a8318bd10f8e">   27</a></span>&#160;<span class="preprocessor">#define MAX_LCDS    8</span></div>
<div class="line"><a name="l00028"></a><span class="lineno">   28</span>&#160;<span class="preprocessor"></span></div>
<div class="line"><a name="l00029"></a><span class="lineno">   29</span>&#160;<span class="preprocessor">#ifdef __cplusplus</span></div>
<div class="line"><a name="l00030"></a><span class="lineno">   30</span>&#160;<span class="preprocessor"></span><span class="keyword">extern</span> <span class="stringliteral">&quot;C&quot;</span> {</div>
<div class="line"><a name="l00031"></a><span class="lineno">   31</span>&#160;<span class="preprocessor">#endif</span></div>
<div class="line"><a name="l00032"></a><span class="lineno">   32</span>&#160;<span class="preprocessor"></span></div>
<div class="line"><a name="l00033"></a><span class="lineno">   33</span>&#160;</div>
<div class="line"><a name="l00034"></a><span class="lineno"><a class="code" href="lcd_8h.html#a4781e073871c6f27f89b9463ad3a4ed1">   34</a></span>&#160;<span class="preprocessor">#define  LCD_RS 21</span></div>
<div class="line"><a name="l00035"></a><span class="lineno"><a class="code" href="lcd_8h.html#a6ec15b1e813d1f56d2eb644a127e5d49">   35</a></span>&#160;<span class="preprocessor"></span><span class="preprocessor">#define  LCD_E  23</span></div>
<div class="line"><a name="l00036"></a><span class="lineno">   36</span>&#160;<span class="preprocessor"></span></div>
<div class="line"><a name="l00037"></a><span class="lineno"><a class="code" href="lcd_8h.html#ab1956831e022c90f2b658a8a840ef09e">   37</a></span>&#160;<span class="preprocessor">#define  LCD_D0 LCD_D4//0</span></div>
<div class="line"><a name="l00038"></a><span class="lineno"><a class="code" href="lcd_8h.html#ac6b74016e58d58b47230a2d0aaf959d8">   38</a></span>&#160;<span class="preprocessor"></span><span class="preprocessor">#define  LCD_D1 LCD_D5//1</span></div>
<div class="line"><a name="l00039"></a><span class="lineno"><a class="code" href="lcd_8h.html#aa97ea257a9007a9055e5f77e1b3336e5">   39</a></span>&#160;<span class="preprocessor"></span><span class="preprocessor">#define  LCD_D2 LCD_D6//4</span></div>
<div class="line"><a name="l00040"></a><span class="lineno"><a class="code" href="lcd_8h.html#a3d23f1f20ad1f0fb190f4a10334f4bf1">   40</a></span>&#160;<span class="preprocessor"></span><span class="preprocessor">#define  LCD_D3 LCD_D7//14</span></div>
<div class="line"><a name="l00041"></a><span class="lineno">   41</span>&#160;<span class="preprocessor"></span></div>
<div class="line"><a name="l00042"></a><span class="lineno"><a class="code" href="lcd_8h.html#ade7e247311032a474711416da480ed8b">   42</a></span>&#160;<span class="preprocessor">#define  LCD_D4 15</span></div>
<div class="line"><a name="l00043"></a><span class="lineno"><a class="code" href="lcd_8h.html#a5b91fe480c768d4f246f3890207bfbfc">   43</a></span>&#160;<span class="preprocessor"></span><span class="preprocessor">#define  LCD_D5 8</span></div>
<div class="line"><a name="l00044"></a><span class="lineno"><a class="code" href="lcd_8h.html#a72e105fcda5fd1c07b5f391379a439d4">   44</a></span>&#160;<span class="preprocessor"></span><span class="preprocessor">#define  LCD_D6 25</span></div>
<div class="line"><a name="l00045"></a><span class="lineno"><a class="code" href="lcd_8h.html#abd65075e01c7413419581aedee5bcc24">   45</a></span>&#160;<span class="preprocessor"></span><span class="preprocessor">#define  LCD_D7 24</span></div>
<div class="line"><a name="l00046"></a><span class="lineno">   46</span>&#160;<span class="preprocessor"></span></div>
<div class="line"><a name="l00047"></a><span class="lineno"><a class="code" href="lcd_8h.html#a22bbb55e5d7be2e06031798921b688f7">   47</a></span>&#160;<span class="preprocessor">#define LCD_SET(x) digitalWrite (x,1)</span></div>
<div class="line"><a name="l00048"></a><span class="lineno"><a class="code" href="lcd_8h.html#a5a19b959f5961052d3dfdc5b91907e54">   48</a></span>&#160;<span class="preprocessor"></span><span class="preprocessor">#define LCD_CLR(x) digitalWrite (x,0)</span></div>
<div class="line"><a name="l00049"></a><span class="lineno">   49</span>&#160;<span class="preprocessor"></span></div>
<div class="line"><a name="l00050"></a><span class="lineno">   50</span>&#160;</div>
<div class="line"><a name="l00051"></a><span class="lineno">   51</span>&#160;</div>
<div class="line"><a name="l00052"></a><span class="lineno">   52</span>&#160;<span class="keyword">extern</span> <span class="keywordtype">void</span> <a class="code" href="lcd_8c.html#ac9a6553094d957f46583dd325a2e22fb">lcdHome</a>     (<span class="keywordtype">int</span> fd) ;</div>
<div class="line"><a name="l00053"></a><span class="lineno">   53</span>&#160;<span class="keyword">extern</span> <span class="keywordtype">void</span> <a class="code" href="lcd_8c.html#a8682f2baf8d8ff2d59fda869e6154d06">lcdClear</a>    (<span class="keywordtype">int</span> fd) ;</div>
<div class="line"><a name="l00054"></a><span class="lineno">   54</span>&#160;<span class="keyword">extern</span> <span class="keywordtype">void</span> <a class="code" href="HelloWorld_8cpp.html#af31a0ada53b85bcffe34047e27fb0658">lcdPosition</a> (<span class="keywordtype">int</span> fd, <span class="keywordtype">int</span> x, <span class="keywordtype">int</span> y) ;</div>
<div class="line"><a name="l00055"></a><span class="lineno">   55</span>&#160;<span class="keyword">extern</span> <span class="keywordtype">void</span> <a class="code" href="HelloWorld_8cpp.html#ab80316a52fcdad40bac338b07bfdbb5a">lcdPutchar</a>  (<span class="keywordtype">int</span> fd, <span class="keywordtype">unsigned</span> <span class="keywordtype">char</span> data) ; <span class="comment">// opravit unsigned char na uint_8</span></div>
<div class="line"><a name="l00056"></a><span class="lineno">   56</span>&#160;<span class="keyword">extern</span> <span class="keywordtype">void</span> <a class="code" href="HelloWorld_8cpp.html#ab59afb5b37ad924bf6c0f71c847b37c5">lcdPuts</a>     (<span class="keywordtype">int</span> fd, <span class="keywordtype">char</span> *<span class="keywordtype">string</span>) ;</div>
<div class="line"><a name="l00057"></a><span class="lineno">   57</span>&#160;<span class="keyword">extern</span> <span class="keywordtype">void</span> <a class="code" href="lcd_8c.html#ad321e8d71a9d33fc144f918b12171a26">lcdPrintf</a>   (<span class="keywordtype">int</span> fd, <span class="keywordtype">char</span> *message, ...) ;</div>
<div class="line"><a name="l00058"></a><span class="lineno">   58</span>&#160;<span class="keyword">extern</span> <span class="keywordtype">void</span> <a class="code" href="lcd_8c.html#ab894709e35324681bbb23f91aeb4ed7b">lcdDriverInit</a> (<span class="keywordtype">int</span> fd);</div>
<div class="line"><a name="l00059"></a><span class="lineno">   59</span>&#160;<span class="keywordtype">void</span> <a class="code" href="lcd_8c.html#a85c0af5e61821ad6f3027fb831c38b32">pokus</a> (<span class="keywordtype">void</span>);</div>
<div class="line"><a name="l00060"></a><span class="lineno">   60</span>&#160;</div>
<div class="line"><a name="l00061"></a><span class="lineno">   61</span>&#160;<span class="keyword">extern</span> <span class="keywordtype">int</span>  <a class="code" href="lcd_8c.html#af9df2258c481ed86853bb48d28bc5c24">lcdInit</a> (<span class="keywordtype">int</span> <a class="code" href="structlcdDataStruct.html#a6a73e56d6ab5249c0c9a6a6922127585">rows</a>, <span class="keywordtype">int</span> <a class="code" href="structlcdDataStruct.html#aaea7d58a77c84d2f1f715f19a9b924e1">cols</a>, <span class="keywordtype">int</span> <a class="code" href="structlcdDataStruct.html#a7eb467468df81caa1db2a7289972add4">bits</a>, <span class="keywordtype">int</span> rs, <span class="keywordtype">int</span> strb,</div>
<div class="line"><a name="l00062"></a><span class="lineno">   62</span>&#160;    <span class="keywordtype">int</span> d0, <span class="keywordtype">int</span> d1, <span class="keywordtype">int</span> d2, <span class="keywordtype">int</span> d3, <span class="keywordtype">int</span> d4, <span class="keywordtype">int</span> d5, <span class="keywordtype">int</span> d6, <span class="keywordtype">int</span> d7) ;</div>
<div class="line"><a name="l00063"></a><span class="lineno">   63</span>&#160;</div>
<div class="line"><a name="l00064"></a><span class="lineno">   64</span>&#160;</div>
<div class="line"><a name="l00065"></a><span class="lineno">   65</span>&#160;</div>
<div class="line"><a name="l00066"></a><span class="lineno">   66</span>&#160;</div>
<div class="line"><a name="l00067"></a><span class="lineno">   67</span>&#160;<span class="preprocessor">#ifdef __cplusplus</span></div>
<div class="line"><a name="l00068"></a><span class="lineno">   68</span>&#160;<span class="preprocessor"></span>}</div>
<div class="line"><a name="l00069"></a><span class="lineno">   69</span>&#160;<span class="preprocessor">#endif</span></div>
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